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Java > Open Source Codes > org > apache > commons > collections > bidimap > TestAbstractOrderedBidiMapDecorator


1 /*
2  * Copyright 2001-2004 The Apache Software Foundation
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package org.apache.commons.collections.bidimap;
17
18 import java.util.Map JavaDoc;
19 import java.util.TreeMap JavaDoc;
20
21 import junit.framework.Test;
22 import junit.framework.TestSuite;
23
24 import org.apache.commons.collections.BidiMap;
25 import org.apache.commons.collections.OrderedBidiMap;
26
27 /**
28  * Test class for AbstractOrderedBidiMapDecorator.
29  *
30  * @version $Revision: 1.3 $ $Date: 2004/02/18 01:20:39 $
31  */
32 public class TestAbstractOrderedBidiMapDecorator
33         extends AbstractTestOrderedBidiMap {
34
35     public TestAbstractOrderedBidiMapDecorator(String JavaDoc testName) {
36         super(testName);
37     }
38
39     public static Test suite() {
40         return new TestSuite(TestAbstractOrderedBidiMapDecorator.class);
41     }
42
43     public BidiMap makeEmptyBidiMap() {
44         return new TestOrderedBidiMap();
45     }
46
47     public Map JavaDoc makeConfirmedMap() {
48         return new TreeMap JavaDoc();
49     }
50
51     public boolean isAllowNullKey() {
52         return false;
53     }
54
55     public boolean isAllowNullValue() {
56         return false;
57     }
58
59     public boolean isSetValueSupported() {
60         return true;
61     }
62
63     /**
64      * Simple class to actually test.
65      */
66     private static final class TestOrderedBidiMap extends AbstractOrderedBidiMapDecorator {
67             
68         private TestOrderedBidiMap inverse = null;
69
70         public TestOrderedBidiMap() {
71             super(new DualTreeBidiMap());
72         }
73         
74         public TestOrderedBidiMap(OrderedBidiMap map) {
75             super(map);
76         }
77         
78         public BidiMap inverseBidiMap() {
79             if (inverse == null) {
80                 inverse = new TestOrderedBidiMap((OrderedBidiMap) getBidiMap().inverseBidiMap());
81                 inverse.inverse = this;
82             }
83             return inverse;
84         }
85     }
86 }
87
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